![]() Once activated, the virtual environment’s bin directory will be added at the beginning of the $PATH To start using the virtual environment, you need to activate it with the activate script: source venv/bin/activate You can use any name you want for the virtual environment. , the standard Python library, and other supporting files. The command will create a directory called venv, which contains a copy of the Python binary, the Pip package manager Run the following command inside the directory to create the virtual environment: python3 -m venv venv It can be your home directory or any other directory where your user has read and write permissions.įor the Flask application and switch into it: mkdir flask_app & cd flask_app Where you want to store the Python 3 virtual environments. Once the module is installed, we are ready to create a virtual environment for the Flask application. Run the following command to install the package: sudo apt install python3-venv The recommended way to create a virtual environment is by using the venv module, which is provided by the python3-venv package. The output should look something like below: Python 3.8.5 You can verify that Python is installed on your system by typing: python3 -V In this article, we’ll discuss how to install Flask on Ubuntu 20.04 inside a Python virtual environment. If you install Flask into the global environment, then you can install only one Flask version on your computer. ![]() This way, you can have multiple different Flask environments on a single computer and install a specific version of a module on a per-project basis without worrying that it will affect your other Flask installations. Also, the version included in the repositories may lag behind the latest version of Flask.Īllow you to create an isolated environment for different Python projects. This is the simplest way to install Flask on Ubuntu 20.04, but not as flexible as installing in a virtual environment. ![]() There are different methods to install Flask on Ubuntu.įlask packages are included in the official Ubuntu repositories and can be installed using the apt package manager. Flask is built with extensions in mind, which are Python packages that add functionality to a Flask application. , by default Flask doesn’t include ORM, form validation, or any other functionalities provided by third-party libraries. At the time of writing this article, VMWare player 16 is the latest version.Flask is a free and open-source micro web framework for Python designed to help developers build secure, scalable, and maintainable web applications. Step 1: Download and install VMWare Player If you prefer videos, you can watch the one below from our YouTube channel. I am installing Ubuntu 22.04 in this tutorial, but the same steps apply to any other Linux distribution.
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